Haemaphysalis kyasanurensis

Unique identifier: 27
Haemaphysalis kyasanurensis
© ICMR-Vector Control Research Center

Morphological Keys

Stage/Sex Morphological Keys
Female
  • Profile of capitulum not broadly deltoid
  • Palpal segment 2 with a basal margin not angled
  • Palpal segment 3 with dorsobasal-internal margin either without spur or if spur present not extending 1/2 length of segment 2
  • Palpal segment 3 with ventral spur short, only slightly overlapping apical margin of palpal segment 2
  • Dorsobasal margin of palpal segment 3 without spur
  • Coxae II to IV with distinct sharp spurs.
  • A. Elango. Hands-on Training Module on Medically Important Hard Ticks (Ixodidae). ICMR-Vector Control Research Centre (VCRC), Puducherry, 2022. https://vcrc.icmr.org.in/images/pdf/Manuals/Hands_on_Training_on_Medically_Important_Hard_Ticks_ICMR-VCRC.pdf.
Male
  • Ventrobasal-external margin of palpal segment 2 rounded
  • Salience less well developed, breadth of palpal segment 2 less than the length of ventral basis
  • Palpal segment 3 with ventral retroverted spur rudimentary
  • Ventrobasal margin of palpal segment 2 truncate
  • Coxa I with spur elongate, peg-like, length about twice breadth at base
  • Dorsobasal margin of palpal segment 3 without spur.
  • A. Elango. Hands-on Training Module on Medically Important Hard Ticks (Ixodidae). ICMR-Vector Control Research Centre (VCRC), Puducherry, 2022. https://vcrc.icmr.org.in/images/pdf/Manuals/Hands_on_Training_on_Medically_Important_Hard_Ticks_ICMR-VCRC.pdf.
Nymph
  • Salience present
  • Juncture of ventrobasal margin of palpal segment 2 and externobasal margin an angle, blunt
  • Coxa I with well-developed conical spur
  • Coxae II to IV with distinct, sharp spurs of coxa I elongate, narrow, length almost twice basal breadth
  • Spurs of coxae II to IV reduced but retaining a relatively narrow form of coxal spur I
  • Palpal segment 2 with a single infrainternal seta.
  • A. Elango. Hands-on Training Module on Medically Important Hard Ticks (Ixodidae). ICMR-Vector Control Research Centre (VCRC), Puducherry, 2022. https://vcrc.icmr.org.in/images/pdf/Manuals/Hands_on_Training_on_Medically_Important_Hard_Ticks_ICMR-VCRC.pdf.
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DISCLAIMER

TickMapKB is a database of tick species, their distribution, and associated data, compiled from published literature and publicly available sources. The authors are not liable for any inaccuracies or omissions in this resource. This database is intended to support research on tick ecology and distribution and does not necessarily reflect the views or objectives of the authors’ affiliated institutions or funders.